Search a number
-
+
379288970 = 25291307893
BaseRepresentation
bin10110100110110…
…111110110001010
3222102200212122122
4112212313312022
51234044221340
6101345251242
712253621514
oct2646676612
9872625578
10379288970
1118510a465
12a7033b22
136076c658
1438532bb4
1523471db5
hex169b7d8a

379288970 has 16 divisors (see below), whose sum is σ = 706262760. Its totient is φ = 146483904.

The previous prime is 379288927. The next prime is 379288979. The reversal of 379288970 is 79882973.

It can be written as a sum of positive squares in 4 ways, for example, as 376088449 + 3200521 = 19393^2 + 1789^2 .

It is not an unprimeable number, because it can be changed into a prime (379288979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653657 + ... + 654236.

Almost surely, 2379288970 is an apocalyptic number.

379288970 is a deficient number, since it is larger than the sum of its proper divisors (326973790).

379288970 is a wasteful number, since it uses less digits than its factorization.

379288970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307929.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The square root of 379288970 is about 19475.3426157282. The cubic root of 379288970 is about 723.8635989896.

The spelling of 379288970 in words is "three hundred seventy-nine million, two hundred eighty-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 29 58 145 290 1307893 2615786 6539465 13078930 37928897 75857794 189644485 379288970